Phosphate glass combines a protracted life span of Er3+ higher laser level with productive Power transfer in between Yb3+ and Er3+ ions and diminished upconversion losses, Consequently furnishing economical Procedure in passively Q-switched diode-pumped and flash-lump pumped lasers Utilized in selection-finders. language �?中国 韩国 韩国 韩国 韩国 韩国  We https://er-yb-yab-crystal74184.uzblog.net/er-yb-yab-crystal-an-overview-47075716